package ch01;
public class Hello {
	public static void main (String args[]) {
		System.out.println("大家好!");
		System.out.println("Nice to meet you");
		Student stu = new Student();
		stu.speak("We are student");
		}
	}
	class Student {
		public void speak(String s) {
		 System.out.println(s);
		}
	}
		
